error:

Make Error at 3rdparty/ippicv/downloader.cmake:75 (message):
  ICV: Failed to download ICV package: ippicv_linux_20140513.tgz.
  Status=28;"Timeout was reached"
Call Stack (most recent call first):
  3rdparty/ippicv/downloader.cmake:108 (_icv_downloader)
  cmake/OpenCVFindIPP.cmake:212 (include)
  cmake/OpenCVFindLibsPerf.cmake:12 (include)
  CMakeLists.txt:449 (include)


-- Configuring incomplete, errors occurred!

answer:

linux opencv ippicv_linux_20141027.tgz .Is it because OpenCV3.0 needs another version of ippicv? I understand that the error comes while downloading ippicv_linux_20140513.tgz (in the 3rd party, ippicv folder).

 .

 opencv/3rdparty/ippicv/downloads/linux-8b449a536a2157bcad08a2b9f266828b/  ， ， 。

downloads

ippicv_linux_20141027.tgz from: http://download.csdn.net/detail/yunlong782/8940743#comment

get information from: http://stackoverflow.com/questions/25726768/opencv-3-0-trouble-with-installation

Ubuntu15.10 OpenCV3.0.0 설치

1   sudo apt-get install build-essential libgtk2.0-dev libjpeg-dev libtiff4-dev libjasper-dev libopenexr-dev cmake python-dev python-numpy python-tk libtbb-dev libeigen3-dev yasm libfaac-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev libvorbis-dev libxvidcore-dev libx264-dev libqt4-dev libqt4-opengl-dev sphinx-common texlive-latex-extra libv4l-dev libdc1394-22-dev libavcodec-dev libavformat-dev libswscale-dev default-jdk ant libvtk5-qt4-dev
2  /usr/local/opencv3.0.0 sudo mkdir build
cd build
sudo cmake -D WITH_TBB=ON -D BUILD_NEW_PYTHON_SUPPORT=ON -D WITH_V4L=ON -D INSTALL_C_EXAMPLES=ON -D INSTALL_PYTHON_EXAMPLES=ON -D BUILD_EXAMPLES=ON -D WITH_QT=ON -D WITH_OPENGL=ON ..
3  sudo make
sudo make install
4 opencv 설정.conf file, 환경 변수 추가
sudo gedit/etc/ld.so.conf.d/opencv.conf는 opencv에 있습니다.conf에 명령/usr/local/lib 업데이트 라이브러리 디렉터리 sudoldconfig를 추가하여 파일 bash를 엽니다.bashrc sudo gedit/etc/bash.bashrc 다음 두 줄 추가 PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig export PKG_CONFIG_PATH